There are simple-minded people who don't understand manufacturing. They believe that it is a simple matter to bring additional plants online and make enough to satisfy demand. Facts like the demand curve over a product's lifespan and the impact to a corporation's balance sheet are too complex to fit within that simplistic view.

It's a good thing I'm a simple-minded monkey; otherwise, I might be offended by that statement.

Ladies and gentleman, we seem to be approaching the serial number "half of the million" Curious who will be getting it

Production rate seems to be accelerating to 20k devices per day. So, they are really doing something. The "esndate" date "jumping" of TMO devices looks somehow conspicious, but "esnoutgodate" of most of them seems to be a 10-th of January, so maybe those are just some production irregularities.
Most of other serials and dates seem to mostly follow that same sequential pattern.

To sum it up: it looks like T-Mobile is getting a serious pile of devices. Noticed that they are selling well?
There is another noticeable batch for germany play store.